<p><br /> It is not a good time to be Mel Gibson. The star is going through a messy split with his girlfriend Oksana Grigorieva and now he has been accused of making racist and sexist slurs against her.<br /> </p><p><br /> US website Radaronline.com have published extracts of an audiotape that they claim contains a row between the former couple.<br /> </p><p><br /> In the recording a man who sounds like Gibson can be heard shouting: "You're an embarrassment to me" and telling the woman that the way she is dressed makes her look like a "pig in heat". As the exchange continues, the person then uses the N-word.<br /> </p><p><br /> Spokespeople for Gibson, his ex and Radaronline have so far not commented.<br /> </p><p><br /> In 2006, the Passion Of The Christ filmmaker used racist remarks while he was arrested for driving while under the influence.<br /> </p><p><br /> The Lethal Weapon star is currently going through a custody battle with his Russian former love over their daughter, Lucia, who was born last October. Grigorieva has also filed a restraining order against him and alleged that he hit her, knocking out several teeth.<br /> </p>
